<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
    .nav{
        height: 60px;
        border: 1px solid gainsboro;
    }
    .wrap-nav{
        width: 1080px;
        height: 60px;
        margin: 0px auto;
        background-color: orangered;
        display: flex;
    }
    .wrap-nav div{
        border: 1px solid greenyellow;
    }
    .wrap-nav div:nth-child(1){
        flex: 1;
    }
    .wrap-nav div:nth-child(2){
        flex: 1.5;
    }
    .wrap-nav div:nth-child(3){
        flex: 3;
    }
    .wrap-nav div:nth-child(4){
        flex: 1.2;
    }


    </style>
</head>
<body>
    <div class="nav">
        <div class="wrap-nav">
            <div></div>
            <div></div>
            <div></div>
            <div></div>
        </div>
    </div>
</body>
</html>